package com.xiaogao.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;

import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.xiaogao.serviceBase.utils.exceptionHandler.XiaoGaoException;
import com.xiaogao.vod.service.VideoService;
import com.xiaogao.vod.utils.ConstantVodUtils;
import com.xiaogao.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VideoServiceImpl implements VideoService {

    // 上传视频
    @Override
    public String uploadAlyVideo(MultipartFile file) {
        try {
            //accessKeyId, accessKeySecret
            //fileName：上传文件原始名称
            // 01.03.09.mp4
            String fileName = file.getOriginalFilename();
            //title：上传之后显示名称
            String title = fileName.substring(0, fileName.lastIndexOf("."));
            //inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);

            // 设置点播服务接入点！！！
            request.setApiRegionId("cn-shenzhen");

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    // 删除视频
    @Override
    public void removeVideo(String videoId) {
        try {
            // 初始化
            DefaultAcsClient client = InitVodClient.initVodClient(
                    ConstantVodUtils.ACCESS_KEY_ID,
                    ConstantVodUtils.ACCESS_KEY_SECRET);

            DeleteVideoRequest request = new DeleteVideoRequest();
            // 支持传入多个视频ID，多个用逗号分隔
            request.setVideoIds(videoId);

            DeleteVideoResponse response = client.getAcsResponse(request);

            System.out.print("RequestId = " + response.getRequestId() + "\n");

        } catch (Exception e) {
            throw new XiaoGaoException(20001, "视频删除失败");
        }
    }

    @Override
    public void removeVideoList(List videoList) {
        try {
            // 初始化
            DefaultAcsClient client = InitVodClient.initVodClient(
                    ConstantVodUtils.ACCESS_KEY_ID,
                    ConstantVodUtils.ACCESS_KEY_SECRET);

            // 创建请求对象
            // 一次最对批量删除20个
            DeleteVideoRequest request = new DeleteVideoRequest();
            String str = StringUtils.join(videoList.toArray(), ",");
            request.setVideoIds(str);

            // 获取响应
            DeleteVideoResponse response = client.getAcsResponse(request);
            System.out.println("ResquestId = " + response.getRequestId() + "/n");
        } catch (Exception e) {
            throw new XiaoGaoException(20001,"批量删除视频失败！");
        }
    }

}